Here are the 5 features you'll find in
Battery Life
Starting with
APIs
With Android O,
It's certainly not most groundbreaking feature to draw attention to, yet it should make your life significantly easier if you rely on a password managers.
Notifications
Notifications can now be sorted into "channels," as opposed to simply grouping them all by app. For instance, Android O can group all notifications from a single user from, say, a talk app into a channel, which sounds like it'll be way tidier.
Icons
App icons can also be versatile and change shapes in light of different themes. Additionally, Android O can animate icons when they're touched.
PiP
Android O also supports picture-in-picture (PiP) so you can watch a video while looking at another app, a new app overlay window, and the capacity to dispatch an action on a remote display using multi-display support.